l St. Louis, MO 63101-1448, USA l Hydrodemolition On Swiss ...

Published by theWaterJet Technology

Associationfor the benefit of its

members

DECEMBER 2007

906 Olive Street, Suite 1200 l St. Louis, MO 63101-1448, USA l Telephone: (314)241-1445, Fax: (314)241-1449

On the insideIn Memoriam - Dr. NormanCharles Franz ............................. pg. 2

Coating Removal Parameters ........ pg. 6

Flow Signs Option Agreement ToAcquire OMAX Corp. ................ pg. 7

Nordstjernan Offers ToTake Over KMT ......................... pg. 7

WJTA 2007-2008 Committees ..... pg. 10

Flow Ranked #42 In Deloitte’sTechnology Fast 50 Program .... pg. 11

Jet Edge Appoints NewCorporate Sales Manager ......... pg. 12

40k psi Porta-Lance For

Portable Rigid Lancing ............. pg. 14

Federal Signal EnvironmentalSolutions Group AppointsProduct Manager ..................... pg. 15

Hydrodemolition On Swiss RailroadNear Gotthard

A concrete ‘tunnel bridge’ was

constructed 18 years ago

crossing the 50m deep-sided

valley which in 1998 was

virtually filled with snow from

avalanches.

Winding through the spectacular Swiss Alps the Gotthard

rail tunnel is one of the world’s most scenic railway tracks.

Pictured here is the valley river under the tunnel bridge.

See article on page 4

r. Norman Charles Franz, a

WJTA Pioneer Award winner,

died on September 25, 2007, in British

Columbia. Dr. Franz was born in

Newark, New Jersey on June 12,

1925 and grew up in Southbridge,

Massachusetts. He served in the U.S.

Army in World War II in Belgium,

France, and Germany. After the war

he graduated from Syracuse

University and then went on to earn a

Ph.D. from the University of Michigan

where he became a member of the

faculty of the School of Natural

Resources. In 1968 he moved to

Vancouver and joined the faculty of

the University of British Columbia

from which he retired in 1985.

Dr. Franz invented industrial

waterjet cutting in the 1960s. This

invention was a spin-off of a research

program that Dr. Franz was

conducting on the machining of wood.

The use of waterjets to cut wood was

inspired by the observation that broom

handles used for testing for leaks from

very high pressure boiler systems

were cut off by the escaping steam.

Later investigation showed that

industrial cutting with steam jets was

impractical because of the high gas

pressures involved. However, this

suggested the use of waterjets. Dr.

Franz experimented with a single

action intensifier, which developed

over 50,000 psi waterjets, but the

waterjets were discontinuous. He

was thereby able to cut wood and

other materials with ordinary water.

Dr. Franz then searched for a high

pressure pump that would pump water

continuously so as to produce a steady

waterjet. He arranged a loan from

McCartney Manufacturing, a

subsidiary of Ingersoll Rand, of a high

pressure intensifier pump used for

catalyst injection in the manufacture of

polyethylene. This proved to be a

reliable system for the continuous

pumping of

high

pressure

water. This

pump and

nozzle was

duplicated

and

integrated

with a

system for

obtaining

relative

motion

between the jet and the work piece.

Such a system was installed at Alton

Boxboard Company to cut large,

complex parts used in the furniture

industry. He thus solved the problem

that could not be handled by

conventional cutting tools. He had a

In Memoriam - Dr. Norman Charles Franz

D

Dr. Norman Charles

Franz receiving the WJTA

Pioneer Award in 1987.

unique solution to a unique production

problem. This jet cutting system was

the first in industrial use and it

operated successfully for many years.

It was the precursor to the multibillion-

dollar, worldwide waterjet cutting

industry we see today.

Dr. Franz was also a leader in the

improvement of waterjet cutting at

long stand-off distance by the addition

of long chain polymers to the water.

He included an automated polymer

mixing system in the Alton Boxboard

installation, and therefore he was the

first to apply long chain polymer addi-

tives in commercial waterjet cutting.

The WaterJet Technology Associ-

ation made a donation to the Salvation

Army in memory of Dr. Franz.

WJTA on the web: www.wjta.org December 2007

ydrodemolition techniques were

successfully used on the world

famous Swiss railway line close to

Gotthard using an 11.5m high tower

and a new Aquacutter Evolution robot

from Sweden’s Aquajet Systems to

remove damaged concrete without

affecting services on the twin rail

track.

Opened in 1882, the Gotthard rail

tunnel remains one of the world’s

spectacular railway tracks, winding

through the Swiss Alps, but requires

constant routine maintenance on its

bridges and tunnels. To the north of

St. Gotthard above the river Reuss, in

addition to the twin rail track, the A2

motorway climbs at a gradient of 5º.

The rail track, however, winds its way

through a series of helical tunnels to

the entrance of the Gotthard tunnel.

Enroute, a concrete “tunnel bridge”

constructed 18 years ago crosses the

50m deep-sided valley. Formerly a

steel bridge built in 1882 as an open

bridge, it was exposed to avalanche.

In the winter of 1998, the

avalanches filled the valley with snow

virtually to the “bridge-tunnel.” Re-

cent tests have shown that the 88.50m

long bridge could have been swept

away with the next avalanche winds.

According to Executive Engineer,

Mr. Bühlmann, the Swiss Federal

Railway SBB commissioned a study to

make the bridge safe. Its findings

have opted to reinforce the bridge and

tunnel, restore the bridge bearings,

refurbish cracks up to 2m deep, and

H

Hydrodemolition On Swiss Railroad Near Gotthard

connect the tunnel bridge with special

wall anchors to the rocks. Together

with reinforcement for avalanche-

loads, the bridge will be maintained

and damaged concrete replaced.

Swiss hydrodemolition specialist

contractor Brugger was appointed to

undertake the concrete removal –

totalling 230m3 - using the Aquacutter

Evolution robot from Sweden’s

Aquajet Systems. The Aquacutter

was used for the “lions share” of

remedial work removing 180m3; with a

hand held gun removing the remaining

40m3. The electric-powered robot

uses 122 l/min of water at a pressure

of 1900 bar to safely remove the

(continued on page 8)


right et al.* presented a paper

on parameters that affect

surface preparation at the 2007

American WJTA Conference and

Expo. Highlights from the paper are

presented below.

A series of coating removal tests

were conducted on commercial grade

coated steel siding trim sections at 240

MPa (35,000 psi) and flow rates of 11

to 22 lpm (3 to 6 gpm). Removal

effectiveness was judged by visual

estimation of the percentage removal

of the top coating and the primer. Two

different types of heads were used in

these tests: bar head and bent arms

(see photos). Several parameters

were varied during the tests and the

results are summarized here.

Standoff Distance: When the

standoff distance is less than 18 to 42

times the orifice diameter for the bar

heads and up to 67 times the orifice

diameter for the bent arms, the jet is

too close to be effective. The most

effective removal with the bar head

occurred with standoff distance to be

65 to 95 times the orifice diameter.

Rotation Speed: As a function of

the jet path diameter and rpm, the

linear velocity that the jet is moving

has a direct impact to the removal

effectiveness. The level of its impact

also depends on four other parameters

— standoff distance, orifice diameter,

feed rate, and head design. As a

general trend, the linear velocity of the

nozzle should be no more than 20 m/

sec (66 ft/sec).

Feed Rate and Jet Path

Diameter: Feed rate is the most

significant parameter affecting

removal effectiveness. Obviously

increasing feed rate caused decrease

of removal effectiveness.

Theoretically the feed rate can be

calculated with this formula:

Feed Rate = Orifice Diameter

• Number of Jets • rpm. But

because the jet path diameter

is not accounted for in this

formula, a multiplication

factor should be considered,

with 1.5 for the largest bar

head and 3 for the smallest.

Jet Angle: A 5 degree

outward jet angle improved

the coating removal by 15 to

20%.

Coating Removal Parameters

W

Bent Arm Design

Bar Head Design

Head Design: Compared to the bar head, the bent arm head improved the

efficiency of coating removal by 25 to 30%.

* Wright, D., Wolgamott, J., Zink, G. (2007) PARAMETERS AFFECTING SURFACEPREPARATION, Proceedings of the 2007 American WJTA Conference and Expo, edited byMohamed Hashish, Ph.D., August 19-21, Houston, Texas, Paper 2-A.

Reprinted by permission from Quality Waterjet Newsletter, September 25, 2007.


Nordstjernan Offers To Take Over KMT

statement recommending that KMTstockholders not accept the Offer. TheBoard of Directors commissioned anindependent party to formulate anopinion to consider the fairness of theOffer, which was published at the sametime that the Board made its statement.

December 2007 WJTA on the web: www.wjta.org

Flow Signs Option

Agreement To Acquire

Omax Corporation

low International Corporationannounced that it has signed an

exclusive option agreement tonegotiate the acquisition of OMAXCorporation. OMAX is a Kent, WA-based privately held provider ofprecision-engineered, computer-controlled, abrasive waterjet systems.Under the terms of the agreement,Flow and OMAX will work tonegotiate a definitive agreement forFlow to acquire OMAX. Uponclosing, Flow would payapproximately $109 million in cashand stock (including the amounts paidfor the option agreement) with thepotential for a contingent earn-out intwo years of up to $26 million ineither stock or cash at Flow’s option.A transaction to combine the twocompanies is subject to completion ofall due diligence, execution of adefinitive agreement, Hart-Scott-Rodino anti-trust clearance, andcustomary closing conditions.

“We believe a combination of thetwo companies presents a uniqueopportunity to enhance the globalgrowth of waterjet solutions, whichrepresent a relatively small butrapidly growing part of the overallmarket for cutting solutions,” saidCharley Brown, Flow’s President andChief Executive Officer. “Whilethere are many synergies that makethis merger a natural fit betweenwaterjet pioneers, each companybrings a unique set of intellectualproperty, engineering strength, andmarket focus, including OMAX’sunique distribution channelsworldwide, that makes this accretivecombination so financially compellingand operationally attractive.”

Dr. John Cheung, Chairman ofOMAX, commented, “Our twocompanies share similar histories,passion, vision, and are quite literallyneighbors in Kent. Together I

F


he shareholders of KMT GroupAB received a press release from

Nordstjernan containing a public tenderoffer (the Offer) concerning theacquisition of all of the shares in thecompany.

KMT’s Board of Directors convenedto evaluate the Offer and issued a

T


Hydrodemolition On Swiss Railroad Near Gotthard, from page 4

designated damaged concrete without causing any harm to the

exposed steel rebar.

An important new feature of the new Aquacutter is the removal of

all sensors and electric cables from the front of the machine

eliminating ingress of water, grease and dust problems. The Aquajet

EDS system allows for an optimal lance angle of “attack” without

wasting energy from the jet of water. As much as + 45° on the

Evolution model can be selected, ensuring full removal of concrete

between and under the rebars.

Ordered through local distributed Atümat AG, the Aquacutter was

chosen for its versatility, ease of operation, ease of transportation

and its compact and lightweight build. The unit, operating at an

altitude of 1300m was lifted into position by crane and installed on

the opposite side of the valley.



The 11-meter tower being lifted in place.

Best wishes for a Happy,Healthy and Safe New Yearfrom the WJTA Officers, Boardof Directors & Staff!

Hydrodemolition On Swiss Railroad Near Gotthard, from page 8


In order to cut 20mm of concrete on

the outside of the tunnel bridge,

Brugger opted to top the Aquacutter

6m standard tower with an additional

5.5m tower element to reach a

maximum height of 11.5m. The robot

tower was set to match the 10°inclination of the tunnel wall using a

special support. The robots hydraulic

pressure remained constant throughout

operations on the 11.5m tower and

long hydraulic hoses were not

required. Even at its highest position

the roller beam was reported to have

remained very stable.

According to Daniel Rimle of

Brugger, the company won the

contract by proposing the best

technical solution. “I am convinced

that the Aquacutter robot will prove to

be the best investment.”

The robot tower was

installed to match the

10° inclination of the

tunnel wall.

The Aquacutter 6m standard tower was extended with

an additional 5.5m tower element to reach a maximum

height of 11.5m.

Awards Committee

Mohamed Hashish, Ph.D., Chair

Pat DeBusk

George Savanick, Ph.D.

Forrest Shook

David Summers, Ph.D.

Investment Committee

John Wolgamott, Chair

Mark Birenbaum, Ph.D.

Larry Loper

Mohamed Hashish, Ph.D.

Membership Committee

Bill McClister, Chair

Pat DeBusk

Greg Galecki

Hugh Miller, Ph.D.

Carl Olsen

Nominating Committee

Forrest Shook, Chair

Larry Loper


Paul Webster

Safety Committee for High

Pressure Waterjetting

George Savanick, Ph.D., Chair

Lydia Frenzel, Ph.D.

Greg Galecki

Rick Hein

Jenny Houston

Marilee Jardine

Richard Newton

Joseph Rush

Forrest Shook

Gary Toothe

Bob Turner

Paul Webster

Doug Wright

Safety Committee for Vacuum

Equipment

Tony Fuller, Co-Chair

Andy Current, Co-Chair

Sean Benoit

Scott Coleman

Doug Cowley

Mike Copplestone

Pat DeBusk

Eddie Knight

Bill McClister

Jim Petillo

Deanna Roszell


BT Steadman

Waterjet Basics and Beyond

Committee

Hugh Miller, Ph.D., Chair

Lydia Frenzel, Ph.D.


David Summers, Ph.D.

Doug Wright

WJTA 2007-2009 Committees

2009 Conference Committee

Pat DeBusk, Co-Chair

Bill McClister, Co-Chair

Bill Gaff


Gary Noto

BT Steadman


low International Corporation, a leading developerand manufacturer of ultrahigh-pressure (UHP)

waterjet technology, has been named to Deloitte’sprestigious Technology Fast 50 Program for WashingtonState, a ranking of the 50 fastest growing technology,media, telecommunications, and life sciences companies inthe region by Deloitte & Touche USA LLP, one of thenation’s leading professional services organizations.Rankings are based on the percentage revenue growthover five years from 2002–2006.

Flow’s CEO Charley Brown credits increasingacceptance of ultrahigh-pressure waterjet cuttingtechnology, demand for waterjet cutting of composites inthe aerospace industry, and Flow’s leadership andtechnological expertise in bringing 87,000 psi waterjetcutting to market with the company’s 75 percent revenuegrowth from 2002–2006. Flow’s revenue increase resultedin its ranking in the Technology Fast 50 for WashingtonState.

“We are pleased to be recognized by Deloitte for ourhard work and resulting growth of waterjet cuttingtechnology,” said Brown. “Our growth over the past fouryears is testament to Flow’s leadership position in themarketplace.”

To qualify for the Technology Fast 50, companies musthave had operating revenues of at least $50,000 in 2002and $5,000,000 in 2006, be headquartered in NorthAmerica, and be a company that owns proprietarytechnology or proprietary intellectual property thatcontributes to a significant portion of the company’soperating revenues; or devotes a significant proportion ofrevenues to the research and development of technology.Using other companies’ technology or intellectual propertyin a unique way does not qualify.

Companies from the 16 regional Technology Fast 50programs in the United States and Canada areautomatically entered in Deloitte’s Technology Fast 500program, which ranks North America’s top 500 fastestgrowing technology, media, telecommunications and lifesciences companies.

This year’s Washington State Technology Fast 50program is co-presented by Deloitte & Touche USA LLPand Perkins Coie, Citigroup Smith Barney, AH&TInsurance and the Puget Sound Business Journal.

Flow Ranked Number 42 In Deloitte’s

Technology Fast 50 Program

F

WJTA Administration

Vice-President

Pat DeBusk

(281)842-8000

Chairman of the Board

John Wolgamott

(970)259-2869

President/Jet News Editor

George A. Savanick, Ph.D.

(952)432-7594

SecretaryHugh B. Miller, Ph.D.

(303)273-3558

Bill Gaff(815)673-6020

Greg Galecki, Ph.D.(573)341-4938

Mohamed Hashish, Ph.D.(253)850-3500

2007-2009 Directors

Bill McClister(713)307-2142

Forrest Shook(248)624-5555

Paul Webster(281)925-4509

Association Managers

Mark S. Birenbaum, Ph.D. l Kenneth C. Carroll

(314)241-1445

Andrew F. Conn, Ph.D.(410)532-3452

Thomas J. Kim, Ph.D.(401)874-5991

Emeritus Members

Thomas J. Labus(262)245-9702

Fun-Den Wang, Ph.D.

(303)279-9415

Treasurer

Larry Loper

(800)289-7447


Chairman of the KMT Board Mats Heiman has

announced that he is disqualified from taking part in the

matter and will thus not participate in the Board’s

processing of the matter or in the statement concerning

the Offering.

Nordstjernan Offers To Take Over

KMT, from page 7

Jet Edge Appoints New

Corporate Sales

Manager

et Edge, Inc., a leading

manufacturer of ultra-high

pressure waterjet and abrasivejet

systems for precision cutting, coating

removal and surface preparation,

announced today that it has appointed

Michael Metzig as its new corporate

sales manager.

Metzig is responsible for Jet Edge’s

worldwide sales activities. He brings

to Jet Edge more than 25 years

experience in business development

and production roles at all levels of

the selling process. He is a graduate

of the Georgia Institute of

Technology.

Flow Signs Option Agreement

To Acquire OMAX, from page 7

J

Michael Metzig


believe we will be better able tofoster the innovation necessary tocontinue introducing the superiority ofthe waterjet to a large and growingmarketplace.”

Assuming that a definitiveagreement is reached and regulatoryapproval is received, the transactionwould be expected to close inapproximately six months. Uponclosing, all litigation between Flowand OMAX would be settled.

For more information, visitwww.flowcorp.com.

Peter RodgersMidwest Hydroclean

PO Box 7139

Geraldton WA 6531

Australia

Phone: [61](08)99233559

Pete TerryTerry and Sons, Inc.

3119 Lucas Street

Muscatine, IA 52761

Phone: (563)263-5866

Fax: (563)263-1051

Phil WingateWingate Services Inc.

PO Box 246

Ottsville, PA 18942

Phone: (215)795-0444

Fax: (215)795-0652

Jerome LynchGuzzler Manufacturing

1621 South Illinois Street

Streator, IL 61364

Phone: (815)672-3171

Fax: (815)672-2779

WJTA Welcomes New Members

Corporate

Corporate Individual

Individuals

Chariot Robotics

John OdwaznyMichael DonnGreg Loveland4398 SW Port Way

Palm City, FL 34990

Phone: (772)370-5819

Fax: (772)781-4778

FS Solutions

Bryce Mulligan1144 Expressway Drive South

Toledo, OH 43608

Phone: (888)415-7368

Fax: (419)727-0960

John Stafford8584 Borden Avenue SE

Leeds, AL 35094

Phone: (800)822-8785

Fax: (205)699-2253

Mark Brockman1510 Hayes Avenue

Long Beach, CA 90813

Phone: (562)436-0250

Fax: (562)436-5461

Guzzler Manufacturing

Kristy Gussarson1300 W. Bartlett Road

Elgin, IL 60120

Phone: (847)741-5370

Fax: (847)742-3035

Tony Fuller1621 S. Illinois Street

Streator, IL 60120

Phone: (815)672-3171

Fax: (815)672-2779

Don Calhoun2500 E. Pasadena Freeway

Pasadena, TX 77506

Phone: (713)472-1529

Fax: (713)472-3266

Jetstream of Houston, LLP

Joe VarcaTim Lee4930 Cranswick Road

Houston, TX 77041

Phone: (713)462-7000

Fax: (713)462-5387

William Gaff1621 S. Illinois Street

Streator, IL 61364

Phone: (815)673-3835

Fax: (815)672-4310

PMS Industrial LLC

William MauzyBob Walter1795 N. State St., P.O. Box 149

Girard, OH 44420

Phone: (330)545-0413

Fax: (330)545-4217

Pipe Services International

George A. ThompsonJames J. Briggs4956 Bourque Road

Nederland, TX 77627

Phone: (409)726-8186

Fax: (409)726-8189

Deo van Wijk25422 Loop 494

Porter, TX 77365

Phone: (866)747-3787

Fax: (866)747-3788

Summit Environmental

Chuck WrightShannon WagnerEric WrightP.O. Box 263

Bellmont, WV 26134

Phone: (304)665-7550

Fax: (304)665-7554

US Environmental, Inc.

Richard L. WeaverGreg ValocchiJames M. Hoff409 Boot Road

Downingtown, PA 19355

Phone: (610)518-5800

Fax: (610)518-0500

Brian CookFred A. Cook Jr., Inc.

P.O. Box 70

Montrose, NY 10548

Phone: (914)739-3300

Fax: (914)739-8525

Brent EvansBoeing Canada

99 Murray Park Road

Winnipeg MB R3J 3M6

Canada

Phone: (204)831-2680

Fax: (204)888-2951

Joe FeltsArmorStruxx

500 South Beckman Road

Lodi, CA 95240

Phone: (209)333-8002

Fax: (209)333-8954

Curtis KowalchukBoeing Canada Technology

99 Murray Park Road

Winnipeg MB R3J 3M6 Canada

Phone: (204)831-2618

Fax: (204)888-2951

The Jet News is published by the WaterJet Technology Associa-

tion (WJTA) and is a benefit of membership in the Association.

©2007 Jet News. All rights reserved. Reproduction in any form

forbidden without express permission.


toneAge now offers three Porta-Lance models

for portable rigid lancing. The newest addition

is the SA 1940,

which can

handle up to

40,000 psi and

10 gpm.

The StoneAge

Porta-Lance

tools offer quick

setup for small

tube bundles/

heat exchangers.

They are

compact for use in congested areas and more

productive and thorough than non-rotary methods.

StoneAge offers a wide range of rigid lances and

lance tips to meet pressure and flow requirements

of specific applications. For more information, visit

www.stoneagetools.com.

40k psi Porta-Lance ForPortable Rigid Lancing

Yellow Lube

A waterjet thread anti seize and thread

lubricant that stays on the threads longer

and will not stain your clothing or hands.

Proven in some of the harshest Precision

Cutting and Portable Waterjet environments.

Available in the larger 6 oz. tubes.

Come see us at www.tsmoly.com

under waterjet products.

S

Recommended Practices

Effective January 1, 2008, prices for the RecommendedPractices for Waterjetting Equipment and VacuumEquipment will increase. Buy now and SAVE 40%.For your convenience, an order form is inserted withthis Jet News.

ederal Signal Environmental

Solutions Group has appointed

Tim Lee as product manager for the

Guzzler Manufacturing and Jetstream

of Houston subsidiaries. In this role,

Lee will bring his industry expertise

and product management leadership

to the design and development of

Guzzler’s industrial vacuum loaders

and Jetstream’s industrial

waterblasting equipment.

Lee joins the Environmental

Solutions Group from Visteon

Corporation, where he most recently

served as program manager. Prior to

that, he held numerous roles of

increasing responsibility in engineer-

ing and manufacturing for Ford

Motor Company. Lee will be based

out of Jetstream’s offices in Houston.

Federal Signal Environmental Solutions Group AppointsProduct Manager

F “Tim’s addition to the team will help

provide us with a better understanding

of the environmental well-being needs

of our customers and will further

increase our lead in market knowledge

and design applicability for the Guzzler

and Jetstream brands,” said James

Han, Vice President of global

marketing for the Environmental

Solutions Group.

“It’s exciting to join a company with

such innovative products, a growing

customer base, and significant market

recognition,” Lee said. “I look forward

to working with the entire

Environmental Solutions Group team

to achieve our business goals.”

For more information, visit

www.federalsignal.com.

IMPORTANT NOTICE REGARDING SPAM

Email addresses and other member contact information published in the WJTA Membership

Directory is meant to encourage helpful, informative communication between members.

The information is not provided to circulate spam or junk mail.

The WJTA leadership requests that members respect the contact information of fellow

members and not use that information for the dissemination of spam or junk email.

Membership information is not meant to be circulated beyond the WJTA membership.


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